GB1455160A - Calculator - Google Patents

Calculator

Info

Publication number
GB1455160A
GB1455160A GB4822874A GB4822874A GB1455160A GB 1455160 A GB1455160 A GB 1455160A GB 4822874 A GB4822874 A GB 4822874A GB 4822874 A GB4822874 A GB 4822874A GB 1455160 A GB1455160 A GB 1455160A
Authority
GB
United Kingdom
Prior art keywords
memory
calculator
keyboard
write
programs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB4822874A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HP Inc
Original Assignee
Hewlett Packard Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of GB1455160A publication Critical patent/GB1455160A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/02—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators
    • G06F15/025—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators adapted to a specific application

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Calculators And Similar Devices (AREA)
GB4822874A 1973-11-26 1974-11-07 Calculator Expired GB1455160A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/419,153 US4037092A (en) 1973-11-26 1973-11-26 Calculator having preprogrammed user-definable functions

Publications (1)

Publication Number Publication Date
GB1455160A true GB1455160A (en) 1976-11-10

Family

ID=23661008

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4822874A Expired GB1455160A (en) 1973-11-26 1974-11-07 Calculator

Country Status (10)

Country Link
US (1) US4037092A (enExample)
JP (1) JPS5345263B2 (enExample)
BR (1) BR7409936A (enExample)
CA (1) CA1052008A (enExample)
CH (1) CH588738A5 (enExample)
DE (1) DE2452457C3 (enExample)
FR (1) FR2252605B1 (enExample)
GB (1) GB1455160A (enExample)
HK (1) HK68878A (enExample)
IT (1) IT1023362B (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2216311A (en) * 1985-11-19 1989-10-04 Sony Corp Methods of program transfer
US4920482A (en) * 1985-11-19 1990-04-24 Sony Corporation Multiple mode microprogram controller
US5203001A (en) * 1987-04-27 1993-04-13 Sharp Kabushiki Kaisha Portable computer having an updatable table of starting addresses for accessing those stored programs having been previously executed

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4204255A (en) * 1976-09-09 1980-05-20 Keiper Automobiltechnik Gmbh & Co Kg Apparatus for adjusting a vehicle seat
US4200913A (en) * 1977-04-13 1980-04-29 International Business Machines Corporation Operator controlled programmable keyboard apparatus
US4259668A (en) * 1978-05-15 1981-03-31 Sharp Kabushiki Kaisha Television set/calculator interface including exchangeable keyboard panel and program memory cartridge
US4280121A (en) * 1978-06-05 1981-07-21 Crask Geoffrey J Keyboard assembly with controllable key legends
JPS55129826A (en) * 1979-03-28 1980-10-08 Canon Inc Input unit
JPS56138024A (en) * 1980-03-31 1981-10-28 Aisin Seiki Co Ltd Driver's seat
US4460974A (en) * 1981-11-27 1984-07-17 Hewlett-Packard Company Electronic computer with access to keyboard status information
US4510583A (en) * 1982-01-19 1985-04-09 Grumman Aerospace Corporation Keyboard terminal
JPS60217448A (ja) * 1984-04-12 1985-10-31 Casio Comput Co Ltd デ−タ入力方式
JPS60237565A (ja) * 1984-05-10 1985-11-26 Sharp Corp メニユ−機能付計算機
DE3750525T2 (de) * 1986-06-17 1995-06-01 Sharp Kk Datenverarbeitungseinrichtung zur Verwendung in statistischer Berechnung.
JP2695300B2 (ja) * 1991-04-26 1997-12-24 シャープ株式会社 携帯情報端末機
US5924803A (en) * 1998-03-25 1999-07-20 American Tel-A-System , Inc. Data input device using combined numeric inputs to encode characters
US6965511B2 (en) * 2001-10-10 2005-11-15 Hewlett-Packard Development Company, L.P. System and method for personalizing an electrical device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3588841A (en) * 1969-03-27 1971-06-28 Singer Co Programmable electronic calculator
US3760171A (en) * 1971-01-12 1973-09-18 Wang Laboratories Programmable calculators having display means and multiple memories

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2216311A (en) * 1985-11-19 1989-10-04 Sony Corp Methods of program transfer
US4920482A (en) * 1985-11-19 1990-04-24 Sony Corporation Multiple mode microprogram controller
GB2216311B (en) * 1985-11-19 1990-05-30 Sony Corp Methods of program transfer
US5203001A (en) * 1987-04-27 1993-04-13 Sharp Kabushiki Kaisha Portable computer having an updatable table of starting addresses for accessing those stored programs having been previously executed

Also Published As

Publication number Publication date
FR2252605A1 (enExample) 1975-06-20
US4037092A (en) 1977-07-19
DE2452457A1 (de) 1975-05-28
FR2252605B1 (enExample) 1979-02-23
DE2452457C3 (de) 1979-12-13
CH588738A5 (enExample) 1977-06-15
BR7409936A (pt) 1976-05-25
DE2452457B2 (de) 1979-04-19
HK68878A (en) 1978-12-01
AU7526074A (en) 1976-05-13
JPS5345263B2 (enExample) 1978-12-05
JPS5084143A (enExample) 1975-07-07
CA1052008A (en) 1979-04-03
IT1023362B (it) 1978-05-10

Similar Documents

Publication Publication Date Title
GB1455160A (en) Calculator
US3855461A (en) Calculator with key code association and display features
SE7904904L (sv) Elektroniskt las med endringsbar oppningskod
GB1056951A (en) Improvements in or relating to electronic data processing systems
ES481636A1 (es) Un amecanismo de retencion dle control programable.
JPS55130000A (en) Memory unit
ES433381A1 (es) Perfeccionamientos en calculadoras electronicas.
JPS5599643A (en) Display unit
GB1524105A (en) Electronic cash registers
FR2457526A1 (fr) Dispositif de commutation a secret pour l'enclenchement et le declenchement d'une installation de securite
JPS5552137A (en) Character output system
JPS54136229A (en) Keyboard
KR880001576B1 (ko) 자동전원 차단 선택회로
JPS5530746A (en) Specification set system for electronic cash register
JPS5781677A (en) Electronic tabulating computer
JPS5725064A (en) Each time zone data editing system
JPS5459839A (en) Information processor
JPS55157177A (en) Semiconductor memory device
JPS5725744A (en) Interleaving circuit
JPS5759223A (en) Keyboard device
JPS5528142A (en) Control unit
FR2262831A1 (en) Microprogrammable data processor using integrated circuits - with data memory employing data cards
PALME Introduction to LECO
JPS5720869A (en) Correcting system of reading error
JPS644980A (en) Data reproducing device

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19941106